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双折射材料的温度修正 Birefringent Material Temperature Modification zOYkkQE3mJ UXD?gK1 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: }l$M%Ps!a qY\zZ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline WS9n.opl} q)gZo[]~ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline K+2bNKZ0 S`2M QL 3.Loop over the baseline material samples and determine the number of wavelength entries Gp9>R~$ heoOOP(# 4.Loop over each sampled wavelength entry in the baseline material 3~6F`G VOwt2&mZ a.Modify the ordinary and extraordinary refractive index values using (2) above s([9/ED x={t}qDS8 b.Apply the modified values to the non-baseline material l2GMVAca Tj*o [2mD 5.Set a description on the non-baseline material indicating the temperature change from baseline ,'5P[- KIn^,d0H 脚本编程及GUI例程请下载链接: % \N.m/5 "F>-W\% http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs AKx\U?ei7 Ek_k_! http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 2T5@~^:7u yd"|HHx HP|,AmVLl QQ:2987619807 -`wGF#}y(=
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